25402701045 has 16 divisors (see below), whose sum is σ = 41333209920. Its totient is φ = 13318477824.

The previous prime is 25402701043. The next prime is 25402701059. The reversal of 25402701045 is 54010720452.

It is not a de Polignac number, because 25402701045 - 2¹ = 25402701043 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25402701043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14350924 + ... + 14352693.

It is an arithmetic number, because the mean of its divisors is an integer number (2583325620).

Almost surely, 2^25402701045 is an apocalyptic number.

It is an amenable number.

25402701045 is a deficient number, since it is larger than the sum of its proper divisors (15930508875).

25402701045 is a wasteful number, since it uses less digits than its factorization.

25402701045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28703684.

The product of its (nonzero) digits is 11200, while the sum is 30.

The spelling of 25402701045 in words is "twenty-five billion, four hundred two million, seven hundred one thousand, forty-five".